<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data () {
        return {
            loginForm: {
            username: 'admin',
            password: '123456'
            },
        // 表单验证规则
        loginFormRules:{
            username:[
            { required: true,message: '请输入登录名称', trigger: 'blur' },
            { min: 3,max: 10,message: '长度在3-10个字符', trigger: 'blur' }
            ],
            password:[
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            { min: 6, max: 10, message: '长度在6-10个字符', trigger: 'blur' }
            ]
        }
    }
    },
    methods:{

        resetLoginForm(){
            // console.log(this)
            this.$refs.loginFormRef.resetFields()
        },
        login(){
            this.$refs.loginFormRef.validate(async valid=>{
                if (!valid) return ;
                const {data:res}= await this.$http.post('login',this.loginForm)
                if(res.meta.status!==200) return this.$message.error('登录失败!');
                this.$message.success('登录成功!')
                window.sessionStorage.setItem("token",res.data.token)
                this.$router.push("/home")
            })
        }
    }
}
</script>

<style lang="less" scoped>
    .login_container{
        height: 100%;
        background-color: #2b4b6b;
    }
    .login_box{
        width:450px;
        height:300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left:50%;
        top:50%;
        transform: translate(-50%,-50%);
       .avatar_box{
        width:130px;
        height:130px;
        border:1px solid #eee;
        border-radius: 50%;
        padding:10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left:50%;
        transform: translate(-50%,-50%);
        background-color: #fff;
        img{
        width:100%;
        height:100%;
        border-radius: 50%;
        background-color: #eee;
        }
       }
    }
    .login_form{
        position:absolute;
        bottom:0;
        width:100%;
        padding:0 20px;
        box-sizing: border-box;
    }
    .btns{
        display: flex;
        justify-content:center;
    }
</style>
